29820670804 has 24 divisors (see below), whose sum is σ = 52288199208. Its totient is φ = 14881213440.

The previous prime is 29820670771. The next prime is 29820670811. The reversal of 29820670804 is 40807602892.

It can be written as a sum of positive squares in 4 ways, for example, as 353515204 + 29467155600 = 18802^2 + 171660^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8999452 + ... + 9002764.

It is an arithmetic number, because the mean of its divisors is an integer number (2178674967).

Almost surely, 2^29820670804 is an apocalyptic number.

It is an amenable number.

29820670804 is a deficient number, since it is larger than the sum of its proper divisors (22467528404).

29820670804 is a wasteful number, since it uses less digits than its factorization.

29820670804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035 (or 7033 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 29820670804 in words is "twenty-nine billion, eight hundred twenty million, six hundred seventy thousand, eight hundred four".